请根据运行结果将代码空白处填上合适的选项？（ ） 代码: num1=1 while num1 <= 5: num2=1 while num2 <= 5: ___________ num2 += 1 print() num1 += 1 运行结果: 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5
A：print(num2,end="")
B：print(num2,end =" ")
C：print(num1)
D：print(num1,end =" ")
正确答案：D
试卷来源：202209 青少年软件编程等级考试Python二级真题